CN107295527B - Co-channel interference protection band division methods, apparatus and system - Google Patents
Co-channel interference protection band division methods, apparatus and system Download PDFInfo
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- CN107295527B CN107295527B CN201610195729.8A CN201610195729A CN107295527B CN 107295527 B CN107295527 B CN 107295527B CN 201610195729 A CN201610195729 A CN 201610195729A CN 107295527 B CN107295527 B CN 107295527B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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Abstract
The invention discloses a kind of co-channel interference protection band division methods, apparatus and system, are related to wireless communication field.Method therein includes: to be divided into several base stations to backset origin base station and non-backset origin base station；Obtain the whole network terminal in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies signal measurement measurement result, wherein, it is described it is non-backset origin base station the signal of on-premise network and backset origin base station backset network common frequency and with backset origin base station on-premise network alien frequencies；According to the statistical conditions of the whole network terminal measurements by it is described backset the interference of alien frequencies in origin base station and be greater than the base station of predeterminable level be determined as the co-channel interference protection band base station that can not be backsetted.The present invention is based on the co-channel interference protection band division methods for the different-frequency measure information realization that the whole network terminal user reports, and can accurately reflect the potential region of co-channel interference, when carrying out design of network topology structure during the network planning, evade problem of co-channel interference.
Description
Technical field
The present invention relates to wireless communication field, in particular to a kind of co-channel interference protection band division methods, apparatus and system.
Background technique
Between recent two decades, mobile network's high speed development, average every 5-10 updates once, updates and changes in mobile network
Dai Shi, operator will usually backset the network of two standards of deployment on same frequency spectrum resource, such as dispose cdma network simultaneously
And LTE network.And the migration of user and business needs a transitional period, therefore operator would generally be in same frequency range subregion portion
The mobile network of different systems is affixed one's name to, however this can cause the problem of co-channel interference of networks with different systems between different zones.With frequency
The schematic diagram of interference is as shown in Figure 1.
If this interference problem can not be solved in network planning phase, it is likely that lead to a large amount of complaints of existing network users, and
The quality and capacity for leading to New-deployed Network are severely impacted, and are difficult to solve network topology structure defect in the network operation stage
Caused interference problem.
Summary of the invention
A technical problem to be solved by this invention is: different zones carry out wireless network in same frequency spectrum resource and backset
When, the problem of co-channel interference of different systems wireless network between different zones.
According to an aspect of the invention, there is provided a kind of co-channel interference protection band division methods, which is characterized in that packet
It includes: several base stations being divided into and backsets origin base station and non-backsets origin base station；The whole network terminal is obtained in the case where backsetting origin base station
To it is non-backset origin base station on-premise network signal carry out alien frequencies signal measurement measurement result, wherein it is non-to backset region base
Stand the signal of on-premise network and backset origin base station backset network common frequency and with backset origin base station on-premise network alien frequencies；Root
It is determined as according to the statistical conditions of the whole network terminal measurements by the base station that alien frequencies interference is greater than predeterminable level in origin base station is backsetted
The co-channel interference protection band base station that can not be backsetted.
In one embodiment, several base stations being divided into and backsetting origin base station and non-origin base station of backsetting includes: basis
The frequency spectrum resource configuration information of base station backsets origin base station and non-backsets origin base station to divide.
In one embodiment, the frequency spectrum resource configuration information of base station is obtained by network management system interface from network management system.
In one embodiment, alien frequencies in origin base station will be backsetted according to the statistical conditions of the whole network terminal measurements to interfere
The co-channel interference protection band base station for being determined as to backset greater than the base station of predeterminable level includes: to be directed to backset in origin base station
Each base station counts the terminal quantity that alien frequencies signal measurement result is more than preset alien frequencies signal strength threshold respectively, if statistics
Terminal quantity be more than that thresholding is born in preset interference, then the alien frequencies interference of the base station is greater than predeterminable level, and the base station is determining
For the co-channel interference protection band base station that can not be backsetted.
In one embodiment, thresholding is born in preset alien frequencies signal strength threshold and preset interference can connect according to network
The annoyance level received is configured.
According to another aspect of the present invention, a kind of co-channel interference protection band dividing device is provided, which is characterized in that packet
Include: base station division module backsets origin base station and non-backsets origin base station for being divided into several base stations；Measurement result obtains
Module, for obtain the whole network terminal in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies
The measurement result of signal measurement, wherein non-to backset origin base station and the signal of on-premise network and backsetted origin base station and backset network
With frequency and with backset origin base station on-premise network alien frequencies；Protection band base station determining module is tied for being measured according to the whole network terminal
The statistical conditions of fruit are done the same frequency that the base station that alien frequencies interference is greater than predeterminable level in origin base station is determined as to backset is backsetted
Disturb protection band base station.
In one embodiment, the base station division module divides weight for the frequency spectrum resource configuration information according to base station
It ploughs origin base station and non-backsets origin base station.
In one embodiment, the base station division module is also used to obtain base from network management system by network management system interface
The frequency spectrum resource configuration information stood.
In one embodiment, protection band base station determining module includes: terminal quantity statistic unit, for being directed to institute
The each base station backsetted in origin base station is stated, counting alien frequencies signal measurement result respectively is more than preset alien frequencies signal strength threshold
Terminal quantity；Protection band base station determination unit should if the terminal quantity for statistics is more than that thresholding is born in preset interference
The alien frequencies interference of base station is greater than predeterminable level, which is determined as to the co-channel interference protection band base station that can not be backsetted.
In one embodiment, described device further include: thresholding setup module, for according to the acceptable interference journey of network
Degree bears thresholding to the preset alien frequencies signal strength threshold and preset interference and is configured.
According to a further aspect of the invention, a kind of co-channel interference protection band dividing system is provided, including aforementioned each
The co-channel interference protection band dividing device and terminal of embodiment, wherein terminal in the case where backsetting origin base station to non-for backsetting
The signal of origin base station on-premise network carries out alien frequencies signal measurement, and is reported to the co-channel interference protection band dividing device.
In one embodiment, the system also includes network management systems, for dividing dress for the co-channel interference protection band
It sets and the frequency spectrum resource configuration information of base station is provided.
The present invention proposes a kind of co-channel interference protection band of different-frequency measure information realization reported based on the whole network terminal user
Division methods can accurately reflect the potential region of co-channel interference, when carrying out design of network topology structure during the network planning,
Evade problem of co-channel interference, reduces the influence to existing network users and the shadow to the network quality and network capacity of backsetting New-deployed Network
It rings.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of co-channel interference.
Fig. 2 shows the flow diagrams of one embodiment of co-channel interference protection band division methods of the present invention.
Fig. 3, which is shown, backsets region and the non-schematic diagram for backsetting region.
Fig. 4 shows the flow diagram of another embodiment of co-channel interference protection band division methods of the present invention.
Fig. 5 shows the structural schematic diagram of one embodiment of co-channel interference protection band dividing device of the present invention.
Fig. 6 shows the structural schematic diagram of one embodiment of co-channel interference protection band dividing system of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
For different zones when same frequency spectrum resource progress wireless network is backsetted, different systems are wireless between different zones
The problem of co-channel interference of network proposes the present invention.The present invention proposes a kind of different-frequency measure letter reported based on the whole network terminal user
The co-channel interference protection band division methods realized are ceased, the potential region of co-channel interference can be accurately reflected, during the network planning
When carrying out design of network topology structure, evade problem of co-channel interference.
Fig. 2 shows the flow diagrams of one embodiment of co-channel interference protection band division methods of the present invention.Such as Fig. 2 institute
Show, the method for the embodiment includes:
Several base stations are divided into and backset origin base station and non-backset origin base station by step S202.
It is so-called to backset origin base station, refer to and is ready for backsetting for New-deployed Network on these base stations.Backset region and non-
The schematic diagram for backsetting region is as shown in Figure 3.
Step S204 obtains the whole network terminal in the case where backsetting origin base station to the non-signal for backsetting origin base station on-premise network
Carry out the measurement result of alien frequencies signal measurement, wherein non-to backset origin base station and the signal of on-premise network and backsetted origin base station
Backset network common frequency and with backset origin base station on-premise network alien frequencies.
For example, backsetting two frequency ranges of origin base station deployed 2G/3G Web vector graphic f1 and f2 non-.And it is backsetting
The deployed 2G/3G network of origin base station only used f1 frequency range, and f2 frequency range is unused idle frequency range.Accordingly, it is considered to
It is backsetted in the f2 frequency range for backsetting origin base station, disposes 4G network.
If directly carrying out the deployment of 4G network in the f2 frequency range for backsetting origin base station, the covering of origin base station f2 frequency range is backsetted
User may be subjected to the non-co-channel interference for backsetting origin base station f2 frequency band network signal, it is therefore desirable to the co-channel interference into
Row prediction.Scheme according to the invention, the whole network terminal can be in the case where backsetting the overlay network of f1 frequency range of origin base station, to non-heavy
The alien frequencies signal for ploughing the f2 frequency range of origin base station measures, and reports, to get the alien frequencies signal of the whole network terminal user
Measurement result.
Step S206 will backset alien frequencies interference in origin base station and be greater than according to the statistical conditions of the whole network terminal measurements
The base station of predeterminable level is determined as the co-channel interference protection band base station that can not be backsetted.
For example, detecting the non-f2 frequency range for backsetting origin base station in the case where backsetting the overlay network of f1 frequency range of origin base station
Alien frequencies signal strength be greater than preset signal strength, then this is backsetted into the co-channel interference protection band that base station is determined as to backset
Base station.The alien frequencies signal can for RSRP (Reference Signal Receiving Power, Reference Signal Received Power),
The reference signals indexs such as RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality).
The co-channel interference protection band division methods of the above-mentioned different-frequency measure information realization reported based on the whole network terminal user, can
With the potential region of Accurate Prediction co-channel interference, and divide co-channel interference protection band.To effectively evade between different zones
The co-channel interference of different systems wireless network has been evaded during network is backsetted to the network quality bring shadow of existing network
It rings, has evaded the influence to the network quality and network capacity for backsetting New-deployed Network.
The co-channel interference protection band division methods of one embodiment of the invention are described below with reference to Fig. 4.
Fig. 4 shows the flow diagram of another embodiment of co-channel interference protection band division methods of the present invention.
As shown in figure 4, on the basis of embodiment shown in Fig. 2, the step S202 of this method for example may include S2022~
S2024:
Step S2022, co-channel interference protection band dividing device obtain base station from network management system by network management system interface
Frequency spectrum resource configuration information.
Wherein, the frequency spectrum resource configuration information got for example can be, and base station A deploys 2G/ in f1 and f2 frequency range
3G network, base station B deploy 2G/3G network in f1 frequency range.But it is not limited to examples cited.
Step S2024, co-channel interference protection band dividing device are backsetted according to the frequency spectrum resource configuration information of base station to divide
Origin base station and non-backset origin base station.
For example, according to the frequency spectrum resource configuration information of above-mentioned base station, base station A can be divided into it is non-backset origin base station,
Base station B is divided into and backsets origin base station.
By the above method, realize to the non-division backsetted origin base station and backset origin base station, thus backsetting area
Interference protection band base station is further determined that in the base station of domain.
As shown in figure 4, step S204 for example may include S2041~S2047 on the basis of embodiment shown in Fig. 2:
Step S2041, co-channel interference protection band dividing device send different-frequency measure to network management system and control information, complete net
The configuration of guard system different-frequency measure control.
Step S2042, network management system send different-frequency measure control information to origin base station is backsetted, and origin base station is backsetted in completion
The configuration process of different-frequency measure control.
Step S2043 backsets the whole network terminal that origin base station is covered to it and sends different-frequency measure control information, completes the whole network
The configuration process of terminal different frequency measurement control.
Step S2044, the whole network terminal carry out alien frequencies signal measurement according to the configuring condition that different-frequency measure controls.
Step S2045, the whole network terminal report different-frequency measure information to the origin base station of backsetting belonging to it.
Step S2046 backsets origin base station to network management system and reports different-frequency measure information.
Step S2047, co-channel interference protection band dividing device obtain above-mentioned different-frequency measure information from network management system.
By the above method, the whole network terminal can be obtained, net has been disposed to non-origin base station of backsetting in the case where backsetting origin base station
The signal of network carries out the measurement result of alien frequencies signal measurement, handles convenient for subsequent different-frequency measure result, thus more smart
It is true to there may be co-channel interference base stations to carry out division determination.
In a preferred embodiment, step S206 for example may include S2062~S2064:
Step S2062, for each base station backsetted in origin base station, co-channel interference protection band dividing device difference
Count the terminal quantity that alien frequencies signal measurement result is more than preset alien frequencies signal strength threshold.
For example, backsetting base station B for backset region, statistics obtains alien frequencies signal measurement result more than preset alien frequencies letter
The terminal quantity of number strength threshold accounts for the 50% of the covered user's total amount of base station B.
Step S2064, if the terminal quantity of statistics is more than that thresholding is born in preset interference, the alien frequencies interference of the base station is big
In predeterminable level, which is determined as the co-channel interference protection band base station that can not be backsetted by co-channel interference protection band dividing device.
For example, it is 30% that thresholding is born in the above-mentioned alien frequencies interference for backsetting base station B, then the alien frequencies interference of base station B is greater than default
Base station B is determined as the co-channel interference protection band base station that can not be backsetted by degree.
Optionally, preset alien frequencies signal strength threshold and preset interference bear thresholding according to the acceptable interference of network
Degree is configured, and then is set different alien frequencies signal strength threshold interference according to the acceptable annoyance level of different networks and held
By thresholding, realize to the flexible modulation for backsetting situation.
The co-channel interference protection band dividing device of one embodiment of the invention is described below with reference to Fig. 5.
Fig. 5 shows the structural schematic diagram of one embodiment of co-channel interference protection band dividing device of the present invention.Such as Fig. 5 institute
Show, the co-channel interference protection band dividing device 50 of the embodiment includes:
Base station division module 502 backsets origin base station and non-backsets origin base station for being divided into several base stations.
Measurement result obtains module 504, backsets origin base station to non-in the case where backsetting origin base station for obtaining the whole network terminal
The signal of on-premise network carries out the measurement result of alien frequencies signal measurement, wherein described non-to backset origin base station on-premise network
Signal and backset origin base station backset network common frequency and with backset origin base station on-premise network alien frequencies.
Protection band base station determining module 506, for backsetting area for described according to the statistical conditions of the whole network terminal measurements
The base station that alien frequencies interference is greater than predeterminable level in the base station of domain is determined as the co-channel interference protection band base station that can not be backsetted.
Wherein, base station division module 502 is used to backset origin base station according to the frequency spectrum resource configuration information of base station to divide
Origin base station is backsetted with non-.
Wherein, base station division module 502 is also used to obtain the frequency spectrum money of base station from network management system by network management system interface
Source configuration information.
Wherein, protection band base station determining module 506 includes with lower unit:
Terminal quantity statistic unit, for counting alien frequencies letter respectively for each base station backsetted in origin base station
Number measurement result is more than the terminal quantity of preset alien frequencies signal strength threshold；
Protection band base station determination unit, if the terminal quantity for statistics is more than that thresholding, the base are born in preset interference
The alien frequencies interference stood is greater than predeterminable level, which is determined as to the co-channel interference protection band base station that can not be backsetted.
Co-channel interference protection band dividing device 50 can also include: thresholding setup module, for acceptable according to network
Annoyance level bears thresholding to the preset alien frequencies signal strength threshold and preset interference and is configured.
The co-channel interference protection band dividing system of one embodiment of the invention is described below with reference to Fig. 6.
Fig. 6 shows the structural schematic diagram of one embodiment of co-channel interference protection band dividing system of the present invention.Such as Fig. 6 institute
Show, the co-channel interference protection band dividing system 60 of the embodiment include: above-mentioned co-channel interference protection band dividing device 50 and
Terminal 62, wherein terminal 62 in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out it is different
Frequency signal measurement, and it is reported to the co-channel interference protection band dividing device 50.
Co-channel interference protection band dividing system 60 further includes network management system 64, for being frequency interference protection with dividing device 50
The frequency spectrum resource configuration information of base station is provided.
The workflow of each module is no longer superfluous herein for simplicity referring to previous embodiment part in above embodiments
It states.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of co-channel interference protection band division methods characterized by comprising
Several base stations are divided into and backsets origin base station and non-backsets origin base station；
Obtain the whole network terminal in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies signal
The measurement result of measurement, wherein described non-to backset origin base station and the signal of on-premise network and backsetted origin base station and backset network
With frequency and with backset origin base station on-premise network alien frequencies；
It backsets the interference of alien frequencies in origin base station by described according to the statistical conditions of the whole network terminal measurements and is greater than predeterminable level
Base station is determined as the co-channel interference protection band base station that can not be backsetted.
2. the method according to claim 1, wherein described be divided into several base stations backsets origin base station and non-
Backsetting origin base station includes:
It is divided according to the frequency spectrum resource configuration information of base station and backsets origin base station and non-backset origin base station.
3. according to the method described in claim 2, it is characterized in that, wherein, the frequency spectrum resource configuration information of the base station passes through
Network management system interface is obtained from network management system.
4. the method according to claim 1, wherein described will according to the statistical conditions of the whole network terminal measurements
It is described backset the interference of alien frequencies in origin base station and be greater than the base station of predeterminable level be determined as the co-channel interference that can not be backsetted protection tape base
Station includes:
For each base station backsetted in origin base station, alien frequencies signal measurement result is counted respectively and is believed more than preset alien frequencies
The terminal quantity of number strength threshold, if the terminal quantity of statistics is more than that thresholding is born in preset interference, the alien frequencies of the base station is done
It disturbs and is greater than predeterminable level, which is determined as to the co-channel interference protection band base station that can not be backsetted.
5. according to the method described in claim 4, it is characterized in that, wherein, the preset alien frequencies signal strength threshold and pre-
If interference bear thresholding be configured according to the acceptable annoyance level of network.
6. a kind of co-channel interference protection band dividing device characterized by comprising
Base station division module backsets origin base station and non-backsets origin base station for being divided into several base stations；
Measurement result obtains module, has disposed net to non-origin base station of backsetting in the case where backsetting origin base station for obtaining the whole network terminal
The signal of network carries out the measurement result of alien frequencies signal measurement, wherein it is described it is non-backset origin base station the signal of on-premise network with
Backset origin base station backset network common frequency and with backset origin base station on-premise network alien frequencies；
Protection band base station determining module, for being backsetted in origin base station according to the statistical conditions of the whole network terminal measurements by described
The base station that alien frequencies interference is greater than predeterminable level is determined as the co-channel interference protection band base station that can not be backsetted.
7. device according to claim 6, which is characterized in that the base station division module is used to be provided according to the frequency spectrum of base station
Source configuration information backsets origin base station and non-backsets origin base station to divide.
8. device according to claim 7, which is characterized in that the base station division module is also used to connect by network management system
Mouth obtains the frequency spectrum resource configuration information of base station from network management system.
9. device according to claim 6, which is characterized in that protection band base station determining module includes:
Terminal quantity statistic unit is surveyed for for each base station backsetted in origin base station, counting alien frequencies signal respectively
Measure the terminal quantity that result is more than preset alien frequencies signal strength threshold；
Protection band base station determination unit, if the terminal quantity for statistics is more than that thresholding is born in preset interference, the base station
Alien frequencies interference is greater than predeterminable level, which is determined as to the co-channel interference protection band base station that can not be backsetted.
10. device according to claim 9, which is characterized in that further include:
Thresholding setup module, for according to the acceptable annoyance level of network to the preset alien frequencies signal strength threshold and pre-
If interference bear thresholding be configured.
11. a kind of co-channel interference protection band dividing system, including terminal and the described in any item same frequencies of such as claim 6-10
Interference protection band dividing device, wherein the terminal is for having disposed net to non-origin base station of backsetting in the case where backsetting origin base station
The signal of network carries out alien frequencies signal measurement, and is reported to the co-channel interference protection band dividing device.
12. system as claimed in claim 11, which is characterized in that further include network management system, for being protected for the co-channel interference
The frequency spectrum resource configuration information of protecting band dividing device offer base station.
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| CN114339802B (en) * | 2020-09-28 | 2023-09-05 | 中国移动通信集团河北有限公司 | Capacity evaluation-based frequency-back method and device and computing equipment |
| CN112738896B (en) * | 2020-12-25 | 2022-07-12 | 哈尔滨海能达科技有限公司 | Internet of things data transmission method, base station controller and digital simulcasting system |
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| GSM向LTE演进两网隔离方案研究;何文林，李新，邵华，杨光;《2015LTE网络创新研讨会论文集》;20150820;全文 * |
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